#!/bin/sh

# Slackware build script for colem

# Written by B. Watson (yalhcru@gmail.com)

PRGNAM=colem
VERSION=${VERSION:-2.6}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# Since we have to set endianness at compile-time, included a few
# extra ARCHes here (only i486 and x86_64 are actually tested, you're
# on your own with the others)
# alphaslack and armedslack are little-endian, caught by the default case.
if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  BIGENDIAN=yes
elif [ "$ARCH" = "sparc" ]; then
  SLKCFLAGS="-O2"
  BIGENDIAN=yes
elif [ "$ARCH" = "powerpc" ]; then
  SLKCFLAGS="-O2"
  BIGENDIAN=yes
else
  SLKCFLAGS="-O2"
fi

set -e

ZIPNAME="ColEm"
ZIPVER=$( echo $VERSION | sed 's/\.//g' )

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
mkdir $PRGNAM-$VERSION
cd $PRGNAM-$VERSION
unzip $CWD/$ZIPNAME$ZIPVER-Source.zip
chown -R root:root .
chmod -R a-s,u+w,go+r-w .

sed -i 's/-O3/$(SLKCFLAGS)/' EMULib/Rules.gcc

# Make the emulator look in /usr/share/colem and ~/.colem for the
# system ROMs, as well as the current directory. Without this, it's
# quite annoying to use colem from either the command line or KDE.
patch -p1 < $CWD/rom_path.diff

cd $ZIPNAME/Unix

# Allow building for 8bpp or 16bpp X11 displays (the default is 32,
# which works on either 24bpp or 32bpp, which 99% of everyone is
# using now).
if [ "${DISPLAY_BPP:-32}" != "32" ]; then
  sed -i "/^DEFINES/s/-DBPP32/-DBPP$DISPLAY_BPP/" Makefile
fi

# Allow building on big-endian platforms (such as s390)
if [ "${BIGENDIAN:-no}" != "no" ]; then
  sed -i "/^DEFINES/s/-DLSB_FIRST/-DMSB_FIRST/" Makefile
fi

make SLKCFLAGS="$SLKCFLAGS"
mkdir -p $PKG/usr/bin
install -s -m0755 -oroot -groot $PRGNAM $PKG/usr/bin

# Man page written by script author.
mkdir -p $PKG/usr/man/man1
gzip -9c < $CWD/$PRGNAM.1 > $PKG/usr/man/man1/$PRGNAM.1.gz

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/README > $PKG/usr/doc/$PRGNAM-$VERSION/README

# HTML doc downloaded from http://fms.komkon.org/ColEm/ColEm.html
cat $CWD/$ZIPNAME.html > $PKG/usr/doc/$PRGNAM-$VERSION/$ZIPNAME.html

mkdir -p $PKG/usr/share/pixmaps
cat ../Maemo/Package/colem-64x64.png > $PKG/usr/share/pixmaps/$PRGNAM.png

# .desktop file and mime .xml file originally taken from ColEm-Maemo
# sources and modified to get rid of the Maemo-specific stuff.
mkdir -p $PKG/usr/share/applications
cat $CWD/$PRGNAM.desktop > $PKG/usr/share/applications/$PRGNAM.desktop

mkdir -p $PKG/usr/share/mime/packages
cat $CWD/$PRGNAM.xml > $PKG/usr/share/mime/packages/$PRGNAM.xml

# The ROM directory
mkdir -p $PKG/usr/share/$PRGNAM

# If there's a ROM image in $CWD, include it in the package
if [ -e $CWD/coleco.zip ]; then
	( cd $CWD ; unzip -o coleco.zip )
elif [ -e $CWD/COLECO.ZIP ]; then
	( cd $CWD ; unzip -o COLECO.ZIP )
fi
if [ -e $CWD/coleco.rom ]; then
	cat $CWD/coleco.rom > $PKG/usr/share/$PRGNAM/coleco.rom
elif [ -e $CWD/COLECO.ROM ]; then
	cat $CWD/COLECO.ROM > $PKG/usr/share/$PRGNAM/coleco.rom
fi

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
